Ore dressing. VOL. 11 /
Richards, Robert H. 1844-1945.
Ore dressing. VOL. 11 / by Robert H. Richards. - Second edition - 4 volumes : illustrations ; 24 cm
v. 1, ix, 645-1197 -- v. 2
Includes bibliographical references.
Ore-dressing.
TN500 / RIC
Ore dressing. VOL. 11 / by Robert H. Richards. - Second edition - 4 volumes : illustrations ; 24 cm
v. 1, ix, 645-1197 -- v. 2
Includes bibliographical references.
Ore-dressing.
TN500 / RIC